Home / 263,260.20-394,775.10-105,436.20

Finding the Fourth Proportional to 263,260.20, 394,775.10 and 105,436.20

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Solution

The fourth proportional to 263,260.20, 394,775.10 and 105,436.20 is: 158,108.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,260.20 : 394,775.10 = 105,436.20 : x
  2. Step 2: Convert to fraction form
    263,260.20/394,775.10 = 105,436.20/x
  3. Step 3: Cross multiply
    263,260.20x = 394,775.10 × 105,436.20
  4. Step 4: Simplify right side
    263,260.20x = 41,623,586,398.62
  5. Step 5: Solve for x
    x = 41,623,586,398.62/263,260.20
  6. Step 6: Final answer
    x = 158,108.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.